Finding the Third Proportional to 140,300 and 191,676

Step by Step Solution

1. Step 1: Write the proportion equation
   140,300 : 191,676 = 191,676 : x
2. Step 2: Convert to fraction form
   140,300/191,676 = 191,676/x
3. Step 3: Cross multiply
   140,300x = 191,676 × 191,676
4. Step 4: Simplify right side
   140,300x = 36,739,688,976
5. Step 5: Solve for x
   x = 36,739,688,976/140,300
6. Step 6: Final answer
   x = 261,865.21